BA threads are still prevalent in a few market applications. Specific sorts of fine machinery, for instance relocating-coil meters and clocks, are inclined to obtain BA threads where ever These are created.BA threads are extensively Employed in Product Engineering wherever the lesser hex head sizes make scale fastenings simpler to signify.Phillips

Square head or Robertson. The square travel is exactly what it sounds like - square. While easier to travel than Philips head screws, these usually are not as safe as star-headed screws. This type is usually found in pocket gap screws. The latter bulges out, but gives stability during drilling and areas considerably less tension on the wood than